This also needs to be done dynamically because these multicast groups are going to change over time at any given moment. So, in order to do this, we…

Computer Network Tutorial

let’s look at some key technologies within LAN switching.  – 802.1d Spanning-Tree Protocol  – Multicasting The Need for Spanning Tree Specifically we’ll look at the Spanning Tree Protocol,…

Computer Network Tutorial

Switching Technology: Full Duplex Another concept that we have in LAN switching that allows us to dramatically improve the scalability, is something known as full duplex transmission. And that…

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– Enables dedicated access  – Eliminates collisions and increases capacity  – Supports multiple conversations at the same time First of all, it’s important to understand the reason that…

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– Mostly switched resources; few shared  – Routers provide scalability  – Groups of users determined by physical location When we look at today’s LANs, the ones that are…

Computer Network Tutorial

The Need for Speed: Early warning signs for congestion problems Now, how can you tell if you have congestion problems in your network? Well, some early things to look…

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Bridges Another way is to add bridges. In order to scale our networks we need to do something known as segmentation. And bridges provide a certain level of…

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Broadcasts Consume Bandwidth Now, in terms of broadcast, it’s relatively easy to broadcast in a network, and that’s a transmission mechanism that many different protocols use to communicate…

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Early Local Area Networks The earliest Local Area Network technologies that were installed widely were either thick Ethernet or thin Ethernet infrastructures. And it’s important to understand some…

Computer Network Tutorial